Compound Monograph
Protogracillin
A furostanol steroidal saponin found in Tribulus terrestris, structurally related to protodioscin; little independent pharmacological data is established.
Classification
Protogracillin is one of the saponins, part of the terpenoids class. The largest class of plant compounds, built from five-carbon isoprene units — the essential-oil aromatics, resins, bitter principles, saponins, and plant sterols.
Where Does It Come From? (1)
Protogracillin is one of the saponins, found in Tribulus.